Yes, GenStrip data shows that 93% of the time the GenStrips are within +/- 15%, but the FDA's draft rules call for 99% be within that range when glucose levels are 75 mg/dL or above. Yet according to Berman, the company's not concerned with beefing up accuracy to meet those standards, if it's not required to do so.
Can you use generic glucose test strips?
A generic test strip may not work with your monitor even if it looks exactly like the brand name one. If your results seem unusual, the generic test strips may not be working properly.
How accurate are generic test strips?
All of the trade name test strips were more precise than the alternative test strips designed for the individual meters. Conclusions: Alternative glucose test strips can be used to predict the actual laboratory blood glucose values but are generally not as accurate or precise as the trade name test strips.